Buzzer

Details Buzzer Buzzer

1973-05-07

1976-02-10

Caldwell, John W.

Communications: electrical

Audible indication

Pneumatic-type sound producer

340392, 29594, G01K 108, G10K 100

Patent

active

039381439

ABSTRACT:
A warning buzzer having an armature arranged to strike the wall of the cavity formed by the buzzer housing to increase the sound emitted thereby. The buzzer includes terminals molded in a base with one terminal having a coil core and magnetic return leg formed thereon with the coil bobbin received on the core having a pair of lugs on which the coil terminals are wrapped and dip soldered. The dip soldered lugs are then staked in the terminal and in a contact member for both supporting the coil and extending electrical connections thereto.

REFERENCES:
patent: 3263306 (1966-08-01), Chapin et al.
patent: 3618080 (1971-11-01), Frey
patent: 3631480 (1971-12-01), Head
patent: 3760411 (1973-09-01), Youhanaian

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